CVE-2026-47333

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-28. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in invalid data being processed by the AppArmor DFA policy engine.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
1.3%
KEV
Not listed

Published

May 28, 2026

Last Modified

June 9, 2026

Advisory Details (1)

Auto-updated May 28, 2026
No patch confirmed yet.
generic

~ubuntu-kernel/ubuntu/+source/linux/+git/noble - [no description]

https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/commit/?id=635fa30ed9e944bdb7e811fb8a8906286b4b4f06

Vendor Advisories for CVE-2026-47333(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(10)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1059.65+fips1) @ noble2026-07-16ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1008.8) @ resolute2026-07-16ubuntu
ubuntulinux-tools-azure-edge (6.8.0-1059.65~22.04.1) @ jammy2026-07-16ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-22.22) @ resolute2026-07-16ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.17.0-35.35) @ questing2026-07-16ubuntu
ubuntulinux-virtual-6.8 (6.8.0-124.124) @ noble2026-07-16ubuntu
ubuntulinux-tools-gcp-64k-6.17 (6.17.0-1018.19) @ questing2026-07-16ubuntu
ubuntulinux-tools-azure-7.0 (7.0.0-1007.7) @ resolute2026-07-16ubuntu
ubuntulinux-tools-lowlatency-hwe-20.04-edge (6.8.0-134.134.1) @ noble2026-07-16ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1032.33) @ noble2026-07-16ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 90× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 220 total refreshes for this CVE.

  1. 2026-07-16 02:44 UTCEG score recompute
  2. 2026-07-16 02:44 UTCVendor advisory
  3. 2026-07-16 02:44 UTCGHSA enrichment
  4. 2026-07-15 16:57 UTCEPSS rescore
  5. 2026-07-13 22:30 UTCEPSS rescore
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 19:39 UTCEG score recompute
  8. 2026-07-11 19:39 UTCVendor advisory
  9. 2026-07-11 19:38 UTCGHSA enrichment
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-08 18:00 UTCEG score recompute
  12. 2026-07-08 18:00 UTCGHSA enrichment
  13. 2026-07-08 15:16 UTCEPSS rescore
  14. 2026-07-07 13:46 UTCEPSS rescore
  15. 2026-07-05 02:30 UTCEPSS rescore
  16. 2026-07-04 06:31 UTCEPSS rescore
  17. 2026-07-02 23:18 UTCEG score recompute
  18. 2026-07-02 23:18 UTCVendor advisory
  19. 2026-07-02 23:18 UTCGHSA enrichment
  20. 2026-07-02 10:25 UTCEG score recompute
  21. 2026-07-02 10:25 UTCVendor advisory
  22. 2026-07-02 10:25 UTCGHSA enrichment
  23. 2026-07-01 15:07 UTCEPSS rescore
  24. 2026-07-01 13:37 UTCEG score recompute
  25. 2026-07-01 13:37 UTCVendor advisory
Show 75 more
  1. 2026-07-01 13:37 UTCGHSA enrichment
  2. 2026-07-01 02:44 UTCEG score recompute
  3. 2026-07-01 02:44 UTCVendor advisory
  4. 2026-07-01 02:44 UTCGHSA enrichment
  5. 2026-06-30 23:22 UTCEPSS rescore
  6. 2026-06-30 01:38 UTCEG score recompute
  7. 2026-06-30 01:38 UTCVendor advisory
  8. 2026-06-30 01:37 UTCGHSA enrichment
  9. 2026-06-29 14:06 UTCEPSS rescore
  10. 2026-06-29 14:06 UTCEPSS rescore
  11. 2026-06-29 13:38 UTCEG score recompute
  12. 2026-06-29 13:38 UTCVendor advisory
  13. 2026-06-29 13:37 UTCGHSA enrichment
  14. 2026-06-29 00:25 UTCEG score recompute
  15. 2026-06-29 00:25 UTCVendor advisory
  16. 2026-06-29 00:25 UTCGHSA enrichment
  17. 2026-06-28 14:07 UTCEPSS rescore
  18. 2026-06-28 13:27 UTCEG score recompute
  19. 2026-06-28 13:27 UTCVendor advisory
  20. 2026-06-28 13:27 UTCGHSA enrichment
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-28 02:36 UTCEG score recompute
  24. 2026-06-28 02:36 UTCVendor advisory
  25. 2026-06-28 02:35 UTCGHSA enrichment
  26. 2026-06-27 15:43 UTCEG score recompute
  27. 2026-06-27 15:43 UTCVendor advisory
  28. 2026-06-27 15:42 UTCGHSA enrichment
  29. 2026-06-27 04:42 UTCEG score recompute
  30. 2026-06-27 04:42 UTCVendor advisory
  31. 2026-06-27 04:41 UTCGHSA enrichment
  32. 2026-06-27 03:08 UTCEPSS rescore
  33. 2026-06-26 16:43 UTCEG score recompute
  34. 2026-06-26 16:43 UTCVendor advisory
  35. 2026-06-26 16:42 UTCGHSA enrichment
  36. 2026-06-26 05:45 UTCEG score recompute
  37. 2026-06-26 05:45 UTCVendor advisory
  38. 2026-06-26 05:45 UTCGHSA enrichment
  39. 2026-06-25 18:53 UTCEG score recompute
  40. 2026-06-25 18:53 UTCVendor advisory
  41. 2026-06-25 18:53 UTCGHSA enrichment
  42. 2026-06-25 08:00 UTCEG score recompute
  43. 2026-06-25 08:00 UTCVendor advisory
  44. 2026-06-25 08:00 UTCGHSA enrichment
  45. 2026-06-24 16:23 UTCEG score recompute
  46. 2026-06-24 16:23 UTCVendor advisory
  47. 2026-06-24 16:23 UTCGHSA enrichment
  48. 2026-06-22 14:25 UTCEPSS rescore
  49. 2026-06-22 14:25 UTCEPSS rescore
  50. 2026-06-21 01:59 UTCEPSS rescore
  51. 2026-06-21 01:59 UTCEPSS rescore
  52. 2026-06-18 23:56 UTCEG score recompute
  53. 2026-06-18 23:56 UTCVendor advisory
  54. 2026-06-18 23:55 UTCGHSA enrichment
  55. 2026-06-18 01:27 UTCEG score recompute
  56. 2026-06-18 01:27 UTCVendor advisory
  57. 2026-06-18 01:26 UTCGHSA enrichment
  58. 2026-06-17 17:53 UTCEPSS rescore
  59. 2026-06-17 13:24 UTCEG score recompute
  60. 2026-06-17 13:24 UTCVendor advisory
  61. 2026-06-17 13:23 UTCGHSA enrichment
  62. 2026-06-17 02:31 UTCEG score recompute
  63. 2026-06-17 02:31 UTCVendor advisory
  64. 2026-06-17 02:30 UTCGHSA enrichment
  65. 2026-06-16 17:53 UTCEPSS rescore
  66. 2026-06-16 15:37 UTCEG score recompute
  67. 2026-06-16 15:37 UTCVendor advisory
  68. 2026-06-16 15:36 UTCGHSA enrichment
  69. 2026-06-16 01:54 UTCEG score recompute
  70. 2026-06-16 01:54 UTCVendor advisory
  71. 2026-06-16 01:54 UTCGHSA enrichment
  72. 2026-06-15 17:49 UTCEPSS rescore
  73. 2026-06-15 17:49 UTCEPSS rescore
  74. 2026-06-15 15:00 UTCEG score recompute
  75. 2026-06-15 15:00 UTCVendor advisory

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-47333?
CVE-2026-47333 is a high vulnerability published on May 28, 2026. Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the size of an internal buffer, leading to a heap memory out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in invalid data…
When was CVE-2026-47333 disclosed?
CVE-2026-47333 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on June 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47333 actively exploited?
CVE-2026-47333 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-47333?
CVE-2026-47333 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-47333?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47333, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-47333

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